<div id="wrapper">
    <nav class="navbar-default navbar-static-side" role="navigation">
        <div class="sidebar-collapse">
            <ul class="nav metismenu" id="side-menu">
                <li class="nav-header">
                    <div class="dropdown profile-element"> <span>
<!--                            <img alt="logo图"  src="" width="150px"/>-->
                             </span>
                        <a data-toggle="dropdown" class="dropdown-toggle" href="#">
                            <span class="clear">【<?=$this->session->adm_username?>】<span class="block m-t-xs"> <strong class="font-bold"></strong>
                             </span> <span class="text-muted text-xs block"> <b class="caret"></b></span> </span> </a>
                        <ul class="dropdown-menu animated fadeInRight m-t-xs">
                            <li><a href="<?=site_url('main/changePassword')?>">修改密码</a></li>
                            <li class="divider"></li>
                            <li><a href="<?=site_url('pages/logout')?>">退出登录</a></li>
                        </ul>
                    </div>
                    <div class="logo-element">
                        IN+
                    </div>
                </li>
                <li id="c_index">
                    <a href="<?=site_url('callenges/index')?>"><i class="fa fa-hand-grab-o"></i> <span class="nav-label">挑战记录</span>  </a>
                </li>
                <li id="u_index">
                    <a href="<?=site_url('main/users')?>"><i class="fa fa-group"></i> <span class="nav-label">用户管理</span>  </a>
                </li>
                <li id="a_index">
                    <a href="<?=site_url('main/admin')?>"><i class="fa fa-magnet"></i> <span class="nav-label">管理员</span>  </a>
                </li>
                <li id="a_feedback">
                    <a href="<?=site_url('main/feedback')?>"><i class="fa fa-magnet"></i> <span class="nav-label">用户反馈</span>  </a>
                </li>
                <li id="w_index">
                    <a href="<?=site_url('withdraw_deposit/index')?>"><i class="fa fa-magnet"></i> <span class="nav-label">提现记录</span>  </a>
                </li>
                <li id="w_record">
                    <a href="<?=site_url('withdraw_deposit/record')?>"><i class="fa fa-magnet"></i> <span class="nav-label">充值记录</span>  </a>
                </li>
                <li id="s_index">
                    <a href="<?=site_url('main/system')?>"><i class="fa fa-cog"></i> <span class="nav-label">网站设置</span>  </a>
                </li>
            </ul>

        </div>
    </nav>

    <div id="page-wrapper" class="gray-bg">
        <div class="row border-bottom">
            <nav class="navbar navbar-static-top white-bg" role="navigation" style="margin-bottom: 0">
                <div class="navbar-header">
                    <a class="navbar-minimalize minimalize-styl-2 btn btn-primary " href="#"><i class="fa fa-bars"></i> </a>
                </div>
                <ul class="nav navbar-top-links navbar-right">
                    <li>
                        <span class="m-r-sm text-muted welcome-message">欢迎登陆<?=$system['sys_name']?>管理后台</span>
                    </li>

                    <li>
                        <a href="<?=site_url('pages/logout')?>">
                            <i class="fa fa-sign-out"></i> 退出
                        </a>
                    </li>
                </ul>

            </nav>
        </div>